Early Knowledge of Fishing
The early man learned about fishing through a process of trial and error and observation of their surroundings. Here are some key points on how they acquired this knowledge:

Observation of Animal Behavior
- Early humans would have noticed other animals fishing for their food in rivers and lakes. They would have observed birds diving into the water to catch fish or bears catching fish with their paws.

Exploration of Water Bodies
- As early humans explored their environment, they would have come across rivers, lakes, and seas teeming with fish. They may have observed fish swimming close to the surface or jumping out of the water.

Use of Tools
- Early humans started using tools for hunting animals and gathering food. They may have experimented with using sharp sticks or stones to catch fish in shallow waters.

Development of Fishing Techniques
- Over time, early humans would have developed more sophisticated fishing techniques, such as using nets, traps, and hooks made from bone or wood. They may have also learned to fish from boats or by using spears.

Passing Down Knowledge
- The knowledge of fishing would have been passed down from generation to generation through oral traditions and practical demonstrations. Younger members of the community would have learned fishing techniques from their elders.
In conclusion, early humans acquired knowledge about fishing through observation, exploration, experimentation, and the passing down of skills and techniques within their communities. This knowledge would have been crucial for their survival and the development of early human societies.